Returns the values of a custom stage’s specific background layer, using one of the ▼ following indexes:
Note that this only works on custom stages. Using this on a default stage will always return 0.
| Argument | Type | Description |
|---|---|---|
| layer | :real | The layer to check. Layers 1-6 are background, Layer 7 is ground level, and layers 8-9 are the foreground. |
| data | :real | The data index to check. Can be one of the indexes listed above. |
Example, called from a stage’s article1_update.gml:
//This will make the article's Y coordinate move at the same rate as the first background layer's Y-autoscroll speed.
y += get_bg_data(1, BG_LAYER_AUTOSCROLL_Y);
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